The Edo Purple Seiko SSC955P1 Limited Edition

In keeping with the brand's history of watchmaking and timekeeping, this Seiko Prospex Speedtimer was made to celebrate the 2025 Tokyo World Athletics Championships, when Seiko will serve as Official Timekeepers. The Seiko Prospex Speedtimer's dial features the official championship brand color. Tokyo Purple, also known as "Edo-Murasaki," is one of Japan's recognized traditional heritage colors. It was first used in a textile dye made from purple grass that was indigenous to Musashino when Tokyo was known as Edo. The World Athletics Championship Tokyo 2025 emblem and the limited edition number are displayed on the Prospex Speedtimer's caseback.